we do however in the Greek Tradition serve the sarantalitourgo for the 40 days of the nativity fast. which is a full liturgy with consecration.

Yes, in our parish we are having vigils almost every night until the Nativity . It wasn't possible before due to the limit (unless I'm mistaken) of one Divine Liturgy per day in the church, but we now have a small chapel in the building behind the church which has allowed us a lot more freedom (dedicated to Saint Silouan)

I happen to live in Greece, so things are perhaps a little different here than in the diaspora . Plus Thessaloniki has always had a reputation for prayer. Throw a rock in any direction and you are bound to hit a church